On the study of second-order wave theory and its convergence for a two-fluid system
type: Item
instance of: scholarly article
title: On the study of second-order wave theory and its convergence for a two-fluid system
zbMATH Open document ID: 1296.76027
author: Chi-Min Liu
author: Hwung-Hweng Hwung
author: Ray-Yeng Yang
published in: Mathematical Problems in Engineering
publication date: 2014-10-13T00:00:00Z
review text: Summary: Second-order solutions of internal and surface waves in a two-fluid system are theoretically analyzed in this study. Using the perturbation technique, the derivation of second-order solutions for internal waves is revisited, and the results are expressed in one-by-one forms instead of a matrix form. Second-order solutions arising from the interactions of two arbitrary linear waves of different frequencies contain the sum-frequency (superharmonic) and the difference-frequency (subharmonic) components, which are separately examined. Internal Stokes wave being a special case of present solutions is firstly investigated. Next, the convergence of second-order theory and the second-order effects on wave profiles are analyzed. For general cases, the effects of the thickness ratio of two fluids and the ratio of wavenumbers of two first-order waves on second-order wave characteristics, which include transfer functions and particle velocities, are also examined. Moreover, most existing theories for the one-fluid and two-fluid systems can be deduced from present solutions.
Mathematics Subject Classification ID: 76B55
zbMATH DE Number: 6354193
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 6354193